| CPC A01M 7/0089 (2013.01) | 14 Claims |
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1. An apparatus for controlling plants in a crop stand, said apparatus being movable over said crop stand, comprising
a) at least one liquid reservoir(S) for receiving liquid,
b) at least one first liquid line system (1) connected to the at least one liquid reservoir(S) and provided with at least one outlet opening (5) controllable via a valve (3),
c) a recognition device (12) for recognizing plants (7, 7′), said recognition device having at least one sensor, an optical sensor, or a camera for detecting electromagnetic waves in the visible or infrared range, and communicating position data of the plants (7, 7′) to a control device (13),
d) the control device (13) for controlling the at least one valve (3) of the first liquid line system (1),
wherein
the recognition device is configured to distinguish plants in the crop stand between wanted plants (7) and unwanted plants (7′), and
the control device (13) is configured to open the valves (3) of the at least one first line system (1) so as to exclusively spray the unwanted plants (7′) in the crop stand with liquid, omitting the wanted plants (7), wherein
unwanted plants (7′) are damaged or killed by an action of kinetic and/or thermal energy of the liquid,
characterized in that
at least one second liquid line system (2) is provided which is connected to the at least one liquid reservoir(S) and which is provided with at least one outlet opening (6) which is controlled via a valve (4) controlled via a control device (12), wherein a heater (10) for heating liquid conveyed from the liquid reservoir(S) into the at least one first line system (1) is arranged in the at least one first line system (1).
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